EASY
Earn 100

Which is an autosomal chromosomal mutational disorder?

Important Questions on Heredity and Variation

MEDIUM

The following family tree traces the occurrence of a rare genetic disease. The filled symbols signify the individuals with the disease, whereas the open symbols signify healthy individuals.

Question Image

Based on this information, the disease is most likely to be:

EASY
Choose the odd one and write it:
Dwarfism, Goiter, Thalassaemia, Diabetes Mellitus
HARD

Choose the correct option for the pedigree analysis given below:

Question Image

EASY
The genetic disorder in which an individual has an overall masculine development, gynaecomastia and is sterile:
EASY
Which of the following muscular disorders is inherited?
HARD
Give one example of autosomal genetic disease. What is its reason?
MEDIUM
Name the human disease due to autosomal dominant gene :
EASY
A disease caused by an autosomal primary non-disjunction is
EASY
Which of the following occurs due to the presence of autosome linked dominant trait?
EASY
A disease which causes the black color of the urine
HARD
In humans, attached earlobes are a dominant feature over free earlobes while hypertrichosis of the ear is a holandric (Y-linked) feature. A man with attached earlobes and extensive hair on pinna married a woman having free earlobes. The couple had one son with attached earlobes and hairy pinna, another son with free earlobes and hairy pinna and two daughters with attached earlobes. One of the daughters married a man with free earlobes and sparse hair on pinna. They had two sons. What would be the characteristics of their pinnae? What would be characteristic of their two daughters?
HARD
In humans, attached earlobes are a dominant feature over free earlobes while hypertrichosis of the ear is a holandric (Y-linked) feature. A man with attached earlobes and extensive hair on pinna married a woman having free earlobes. The couple had one son with attached earlobes and hairy pinna, another son with free earlobes and hairy pinna and two daughters with attached earlobes. One of the daughters married a man with free earlobes and sparse hair on pinna. They had two sons. What would be the characteristics of their pinnae?
MEDIUM
Both Down's syndrome and Turner's syndrome are examples of chromosomal disorders. Cite the differences between the two.
MEDIUM
Edward syndrome occurs due to abnormalities in sex chromosoms.
HARD
Question Image

On the basis of above pedigree chart, select the correct option
EASY
A parent has the autosomal dominant disease then what will be the probability of diseased offspring (irrespective of the sex of the child) :